cl_allowupload

The cl_allowupload enables or disables the auto-uploading files to the server.

Usage:
/seta cl_allowupload 1

Values: “0″ or “1″
Default: “0″ (not auto-uploading anything to the server)

Note:
Setting it to a value of “0″ it will not upload anything (random stat information, and other things) to the server.
It helps your ping.